Corner connector for a showcase



FIG. 1 is a perspective view of a corner connector for a showcase which shows my design wherein the same is fragmentarily depicted to indicate indeterminate length; and

FIG. 2 is a sectional end view.

The surfaces of the corner connector for a showcase which are not shown in FIGS. 1 and 2 are conventionally flat and unadorned. 

The ornamental design for a corner connector for a showcase, substantially as shown and described. 